LM2745, LM2748
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SNOSAL2E – APRIL 2005 – REVISED APRIL 2013
LM2745 / LM2748 Synchronous Buck Controller with Pre-Bias Startup, and Optional Clock Synchronization
Check for Samples: LM2745, LM2748
FEATURES
1
•2 Switching Frequency from 50 kHz to 1 MHz • Switching Frequency Synchronize Range 250
kHz to 1 MHz (LM2745 Only) • Startup with a Pre-biased Output Load • Power Stage Input
Voltage from 1V to 14V • Control Stage Input
Voltage from 3V to 6V • Output
Voltage Adjustable Down to 0.
6V • Power Good Flag and Shutdown • Output Over
voltage and Under
voltage
Detection • ±1.
5% Feedback
Voltage Accuracy Over
Temperature • Low-side Adjustable Current Sensing • Adjustable Soft-start • Tra...